Apparatus for making sheet-glass with or without an embedded strengthening structure.



PATENTED FEB. 12, 1907.

A A. J. BALDWIN. APPARATUS EOE MAKING SHEET GLASS WITH OR WITHOUT AN EMBEDDED sTE THBNING STRUCTURE.

L ATION FILED JULY 21, 1905.

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ARTHUR J. BALDWIN, OF-EAST ORANGE, NEW JERSEY. APPARATUS FOR MAKING SHEET-GLASS; WITH OR WITHOllT AN- EMBEDDED STRENGTHENING STRUCTURE.

Specification of Letters Patent.

Application filed July 21,1905. Serial No. 270,604.

Patented Feb, 12, 1907.

2'0 all whom it may concernu.

Be it lmown that I, ARTHUR J. BALDWIN, a citizen of theUnited States, residing at East Orange, in the-countyof Essex and State-of NeW'Jers'ey, have invented certain new and useful Improvements in Apparatus for Making Sheet-Glass with or without an Em-' bedded Strengthening Structure, ofwhich.

the following is a specification, reference being had'tq the drawings accompanying and forming a part of the sarireQ I l My invention re'latesto glass-working'lnachines, and-has for its object-toprovide :a simple and efiective apparatus for making sheets or lates of glass of the ordinary kind and also sheets having a strengthening structure embedded therein, the latter product being known generally as wire-glass? The invention will be more clearly understood in connection with the accompanying drawings, in which- I Figure 1 is a sectional view of a convenient embodiment, showing the same used for making wire-glass. Fig. 2 is a similar view of the same machine, but'show-ing a different method of utilizing the wire fabric therein.

The rollers A and Bare arranged to rotate in the direction of the arrows at the same pe-- ripheral speeds and are spaced'apart adis tance equal to the thickness which it is desired that the finished sheet pfglass should have. Above the two rollers just mentioned are rollers C and D in engagement with each other and rotating in the direction of the arrows at the same peripheral speed as the rollers A and B. Theroll'erO is spaced from the roller -A a distance equal to at least one-, half-the thickness of the finished sheet, and

roller D is spaced from its coacting roller B by the same amount. v

The operation of the machine. is as follows: A mass of lastic glass is deposited between the rollers sand D either before or afterthe same are set in motion. The rotation of these rollers causes themto carry on their surfaces films or layers of glass E F, drawn from themass of glass between them. These layers are carrieddown between the upper r0 1- ;ers and the lower rollers and are thereby formedfinto sheets ,or la ers G H, each constitr'iting a half of the 'shed sheet. The weightof these sheets or layers causes them to leave the rollersC D, and theyare therefore carried downward by'rollers A B, and be- I g is merely one embodiment of my invention, 11o

tween the latter are formed into a single and all irregularities of its surface. removed,

- from the surfaces of the derstood.

suitable devices (not shown) and given suchsheet The latter may be received by any further treatment, as annealing, as may be needed.

If it is desired that the sheet; have a wirernesh fabric ennbedded in fabr1c,f'2s J, is introducedinto the space beit, .a roll of such tween the four rollers, and the end of the fabric is carried down until it engagedbetween the layers G and H, whereupon the further movement of these layers draws the fabric off ofthe'reel, and the said layers are. then ap' lied to the op cs'ite sides of the fabric bythb o erat ion of the rollers Aand B, so that the fa ric is embedded in the finished sheetI.-'.-

- f Instead of carrying the fabric directly own between the rollers A B, it maybe made i first to pass up between the rollers C and D, as shown-in F1 2, and ass over oneor the other, thereby be face of the layer or. In of glass carried by such roller. The other layer of glass on the other roller is then applied to the fabric-bearing surface of the first by the action of the rollers A B in the manner already described.

This methodof applying the wire fabric isof particular advantage, inasmuch as in passing through the rollers C and D it isffiattened out Whereas in the method illustrated in Fig. 1

it will generall befound necessary to give;

the fabric aprc iminary flattening or smoothwhen embedded in the sheet by the rollers A and B it will be located at the same distance sheet throughout'its entire extent. Y

With the rollers ing before it is formed into the roll J so that C and D- each separated P from its coactin .roller A and B an amount 9 5 equal to one-hal the thickness of the finished sheet the wirefabric will be embedded at the center of the latter; but if one or the other of the first rollers be closer to its coactingloweri roller while the other isproportionately far ther. from its cooperating in ler the; wire fabericwill in the finished sheet be locatedn arer" to one surface thereofi aswill be readily uni:

I have-not shown any particularirneans for" i'o5 supporting the roll of Wire fabric J, since any j convenient devices'for this purpose maybe em loyed.

hej apparatus herein shown and described fi' aaaaee and the same may be embodied in a variety cooperating with each other, and a pair of of forms Without departure from its proper rollers above the first pain-cooperating with scope. Y each other, and each arranged to cooperate 15' What I claim is with its adjacent roller of the first pair and 1. In a machine of the kind described, the spaced therefrom a less distance than the combination of a pair of rollers cooperating space between the rollers of the first pair, as

A witheach other, and a pair of rollers above set forth.

' the first, e06 crating with each other, and I each arrange to cooperate with its adjacent ARTHUR BALDVVIN' a roller of the first pair, as set forth. Witnesses. a

2. In an apparatus of the kind described, S. S. DUNHAM,

the combination of a pair of spaced rollers EDWARD T. Macorrm. 

